Plant Growing Guides

Orchard grass

Dactylis glomerata

Orchardgrass

Dactylis glomerata

Orchard Grass Barolex

Dactylis glomerata 'Barolex'

Orchardgrass 'Latar'

Dactylis glomerata 'Latar'

Orchard Grass 'Lato'

Dactylis glomerata 'Lato'

Orchard Trees

Various species (Malus, Prunus, Pyrus, Juglans, etc.)

Orchard Trees and Vines

Various species (Malus, Prunus, Vitis, Pyrus, etc.)

Orchard Understory Trees

Various species (e.g., Malus, Prunus, Pyrus spp.)

Orchid

Orchidaceae (family); varies by genus (e.g., Phalaenopsis, Cattleya, Dendrobium)

Orchid Bark

Various species (commonly Pinus radiata, Pinus sylvestris, or Pinus pinaster bark)

Orchid Cactus

Selenicereus anthonyanus

Orchid companion ferns

Polypodium species, Platycerium species, and related fern genera

Orchid Companion Plants

Various species (Orchidaceae family companions)

Dendrobium Orchid

Dendrobium spp.

Orchid Fern

Rhaphidophora tetrasperma

Orchid Frost

Rhaphidophora tetrasperma 'Orchid Frost'

Orchid Moss Pole

Sphagnum moss (various species)

Oncidium Orchid

Oncidium spp.

Lady's Slipper Orchid

Paphiopedilum

Hawaiian Forest Orchid

Dendrobium orchids (native Hawaiian species)

Orchid (Warm-Growing Species)

Orchidaceae family (various genera)

Orchid Tree

Bauhinia variegata

Oregano

Origanum vulgare

Oregano and Marjoram

Origanum vulgare (oregano) and Origanum majorana (marjoram)

Oregano and Marjoram

Origanum vulgare (Oregano) and Origanum majorana (Marjoram)

Oregano Sedum

Sedum oreganum

Oregon Ash

Fraxinus latifolia

Oregon Evergreen

Rubus laciniatus

Oregon Grape

Mahonia aquifolium

Oregon Grape Holly

Mahonia aquifolium

Oregon Pie Pumpkin

Cucurbita pepo

Oregon Sugar Pod Pea

Pisum sativum var. saccharatum

Oregon White Oak

Quercus garryana

Oreocereus

Oreocereus (genus)

Old Man of the Andes

Oreocereus leucotrichus

Old Man of the Andes

Oreocereus neowerdmannianus

Organ Pipe

Stenocereus thurberi

Orient Pear

Pyrus pyrifolia 'Orient'

Oriental Breeze

Chrysanthemum morifolium 'Oriental Breeze'

Oriental Hybrid Lily 'Casa Blanca'

Lilium 'Casa Blanca'

Oriental Hybrid Lily 'Mona Lisa'

Lilium 'Mona Lisa'

Oriental Hybrid Lily 'Muscadet'

Lilium 'Muscadet'

Oriental Hybrid Lily 'Siberia'

Lilium 'Siberia'

Oriental Hybrid Lily Sorbonne

Lilium 'Sorbonne'

Oriental Hybrid Lily Stargazer

Lilium 'Stargazer'

Oriental Hybrid Lily

Lilium orientalis hybrids

Orientalis

Papaver orientale

Orientalis Hybrid Lily 'House of All Hallows'

Lilium × orientalis 'House of All Hallows'